diff options
author | Campbell Barton <ideasman42@gmail.com> | 2011-05-14 20:22:21 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2011-05-14 20:22:21 +0400 |
commit | 8c5adbcd98b20e61f77263a2fb9095d331785a10 (patch) | |
tree | 2e9c40049cc3a9002a8e805c63db6f277f00eb89 /io_anim_bvh/export_bvh.py | |
parent | 1ef45bae5521b834dd89d8f85a64926e120c8341 (diff) |
support to export different rotation orders as well as pose bone native order.
Diffstat (limited to 'io_anim_bvh/export_bvh.py')
-rw-r--r-- | io_anim_bvh/export_bvh.py | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/io_anim_bvh/export_bvh.py b/io_anim_bvh/export_bvh.py index 2a49f083..6d36e587 100644 --- a/io_anim_bvh/export_bvh.py +++ b/io_anim_bvh/export_bvh.py @@ -23,8 +23,12 @@ import bpy +def write_armature(context, filepath, frame_start, frame_end, global_scale=1.0, rotate_mode="NATIVE"): -def write_armature(context, filepath, frame_start, frame_end, global_scale=1.0): + def ensure_rot_order(rot_order_str): + if set(rot_order_str) != {'X', 'Y', 'Z'}: + rot_order_str = "XYZ" + return rot_order_str from mathutils import Matrix, Vector, Euler from math import degrees @@ -62,9 +66,15 @@ def write_armature(context, filepath, frame_start, frame_end, global_scale=1.0): indent_str = "\t" * indent bone = arm.bones[bone_name] + pose_bone = obj.pose.bones[bone_name] loc = bone.head_local node_locations[bone_name] = loc + if rotate_mode == "NATIVE": + rot_order_str = ensure_rot_order(pose_bone.rotation_mode) + else: + rot_order_str = rotate_mode + # make relative if we can if bone.parent: loc = loc - node_locations[bone.parent.name] @@ -77,9 +87,9 @@ def write_armature(context, filepath, frame_start, frame_end, global_scale=1.0): file.write("%s{\n" % indent_str) file.write("%s\tOFFSET %.6f %.6f %.6f\n" % (indent_str, loc.x * global_scale, loc.y * global_scale, loc.z * global_scale)) if bone.use_connect and bone.parent: - file.write("%s\tCHANNELS 3 Xrotation Yrotation Zrotation\n" % indent_str) + file.write("%s\tCHANNELS 3 %srotation %srotation %srotation\n" % (indent_str, rot_order_str[0], rot_order_str[1], rot_order_str[2])) else: - file.write("%s\tCHANNELS 6 Xposition Yposition Zposition Xrotation Yrotation Zrotation\n" % indent_str) + file.write("%s\tCHANNELS 6 Xposition Yposition Zposition %srotation %srotation %srotation\n" % (indent_str, rot_order_str[0], rot_order_str[1], rot_order_str[2])) if my_children: # store the location for the children @@ -137,13 +147,30 @@ def write_armature(context, filepath, frame_start, frame_end, global_scale=1.0): "rest_local_imat", # rest_local_mat inverted "prev_euler", # last used euler to preserve euler compability in between keyframes "connected", # is the bone connected to the parent bone? + "rot_order", + "rot_order_str", ) + _eul_order_lookup = { + 'XYZ': (0, 1, 2), + 'XZY': (0, 2, 1), + 'YXZ': (1, 0, 2), + 'YZX': (1, 2, 0), + 'ZXY': (2, 0, 1), + 'ZYX': (2, 1, 0)} + def __init__(self, bone_name): self.name = bone_name self.rest_bone = arm.bones[bone_name] self.pose_bone = obj.pose.bones[bone_name] + if rotate_mode == "NATIVE": + self.rot_order_str = ensure_rot_order(self.pose_bone.rotation_mode) + else: + self.rot_order_str = rotate_mode + + self.rot_order = __class__._eul_order_lookup[self.rot_order_str] + self.pose_mat = self.pose_bone.matrix mat = self.rest_bone.matrix @@ -156,7 +183,7 @@ def write_armature(context, filepath, frame_start, frame_end, global_scale=1.0): self.rest_local_imat = self.rest_local_mat.inverted() self.parent = None - self.prev_euler = Euler((0.0, 0.0, 0.0)) + self.prev_euler = Euler((0.0, 0.0, 0.0), self.rot_order_str) self.connected = (self.rest_bone.use_connect and self.rest_bone.parent) def update_posedata(self): @@ -209,12 +236,12 @@ def write_armature(context, filepath, frame_start, frame_end, global_scale=1.0): loc = mat_final.to_translation() + dbone.rest_bone.head # keep eulers compatible, no jumping on interpolation. - rot = mat_final.to_3x3().inverted().to_euler('XYZ', dbone.prev_euler) + rot = mat_final.to_3x3().inverted().to_euler(dbone.rot_order_str, dbone.prev_euler) if not dbone.connected: file.write("%.6f %.6f %.6f " % (loc * global_scale)[:]) - file.write("%.6f %.6f %.6f " % (-degrees(rot[0]), -degrees(rot[1]), -degrees(rot[2]))) + file.write("%.6f %.6f %.6f " % (-degrees(rot[dbone.rot_order[0]]), -degrees(rot[dbone.rot_order[1]]), -degrees(rot[dbone.rot_order[2]]))) dbone.prev_euler = rot @@ -229,12 +256,14 @@ def save(operator, context, filepath="", frame_start=-1, frame_end=-1, global_scale=1.0, + rotate_mode="NATIVE", ): write_armature(context, filepath, frame_start=frame_start, frame_end=frame_end, global_scale=global_scale, + rotate_mode=rotate_mode, ) return {'FINISHED'} |